Aquarium Fish Tank Biochemical Cotton Filter Sponge LY-048 ( 32 * 12* 2 CM)

Aquarium Fish Tank Biochemical Cotton Filter Sponge

• This product is suitable for sea water, fresh water and tank, size can be freely cut.
• The gap between the mi-holes is soft and is a warmbed for the cultivation of nitrobacteria through expert analysis.
• Biochemical cotton can decompose excreta and feed residue, improve water quality, filter and clean. The effect is good and the mortality of fish is reduced.
• Clean once a month, no obstruction, no deformation, can be reused after cleaning.

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